diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a20d92170..ec1e24735 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.20.0+dfsg-2"
-export PIKA_PACKAGE_NAME="rpm"
+export PIKA_PACKAGE_VERSION="1.6.1+1.3.296.0-1"
+export PIKA_PACKAGE_NAME="spirv-headers"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"